The Mariners are cornering the market on right-handed pitchers named Luis Castillo. Seattle reached a Minor League deal with ...

Castillo came up in the Arizona Diamondbacks system and signed with the Tigers as a minor-league free agent before the 2022 ...

The Seattle Mariners' 2025 roster needs more offense to compete for a postseason berth. Could Toronto Blue Jays shortstop Bo ...

The Mariners' roster is effectively set with the return of Jorge Polanco. Here's what it means for Seattle's infield mix.

The Mariners signed former Tigers right-hander Luis F. Castillo to a minor league contract and spring invite. Read more at ...

Most will defer to the Seattle Mariners pitcher—an All-Star in 2019, 2022 and 2023, and a Cy Young-caliber hurler in the most ...

Nets NRI deal from Seattle ...

Pitchers and catchers will report to Spring Training for the Seattle Mariners on Feb. 12. And the team recently announced the ...

The undisputable strength of the Seattle Mariners in 2024 was the starting pitching rotation. The group led the major leagues in quality starts and was the onl ...

Ask baseball fans, as a thought exercise, to describe who they think of when they hear the name "Luis Castillo." Most will defer to the Seattle Mariners pitcher—an All-Star in 2019, 2022 and ...

One week after taking the Seattle Mariners to task in The Athletic, former MLB executive Jim Bowden shredded the team on 93.3 ...